All digits shown on the measuring device, plus one estimated digit, are considered
i don't understand this question

the answer would be c. motion and direction

i hope this : )

the old price per ounce is c/4.

the new price per ounce is c/3.6.

the ratio of the old price to the new one is

(c/4)/(c/3.6) = (c/c)×(3.6/4) = 0.9 . . = 9/10 . . "nine tenths" in either form

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle